#app{
    width: 100%;
    height: 100%;
    background-color: rgb(249,249,251);
}
.sidebar{
    width: 15%;
}
.main{
    width: 85%;
    height: 100vh;
    position: absolute;
    top: 0;
    right: 0;
}
.header{
    width: 100%;
    background-color: white;
}
.content{
    padding-left: 20px;
    box-sizing: border-box;
}